CVE-2018-15557

8.8 highEPSS 3.3%

An issue was discovered in the Quantenna WiFi Controller on Telus Actiontec WEB6000Q v1.1.02.22 devices. An attacker can statically set his/her IP to anything on the 169.254.1.0/24 subnet, and obtain root access by connecting to 169.254.1.2 port 23 with telnet/netcat.

Severity

CVSS 3.0

8.8 high

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 3.3% chance of exploitation in the next 30 days; higher than 88% of CVEs (scores of 2026-10-31)
CWE: CWE-269
Published: 2019-06-27
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

actiontec:web6000q_firmware

References

http://packetstormsecurity.com/files/153262/Telus-Actiontec-WEB6000Q-Privilege-Escalation.html
http://seclists.org/fulldisclosure/2019/Jun/2
http://packetstormsecurity.com/files/153262/Telus-Actiontec-WEB6000Q-Privilege-Escalation.html
http://seclists.org/fulldisclosure/2019/Jun/2

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